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Method of recycling a battery

a battery pack and cell technology, applied in the field of battery packs, can solve the problems of high cost, large effort and cost, and the most used batteries are abandoned without collection or reuse, and achieve the effects of reducing the number of cells, increasing or decreasing the power density of the battery, and reducing the cos

Inactive Publication Date: 2007-06-14
ENERDEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010] An advantage of the present invention is to provide an improved system for recycling battery cells.
[0011] Another advantage of the present invention is to provide to be utilized at a low cost, and which allows efficient monitoring of such a plurality of novel battery recharging apparatuses.
[0012] Still another advantage of the present invention is to provide a system, which allows to increase or decrease power density of the battery by adding cells or reducing the cells.
[0013] Still another advantage of the present invention is to provide a method of removing, testing and recycling the cells in which the cells are refurbished rather than replaced.
[0014] Still another advantage of the present invention is to provide a method of recycling lithium battery cells that is cost effective, environmentally safe, and efficient.

Problems solved by technology

Today, one of major problems that manufactures of the lithium batteries are trying to solve relates protection of the global environment.
However, the collection and reuse of used batteries requires a large effort and cost, and as a result most used batteries are abandoned without collection or reuse.
Nevertheless, there are drawbacks that rechargeable batteries are costly, a rechargeable battery needs a charger for recharging, a long time is often required for recharging, etc.
These prior batteries also can become excessively hot during use.
Moreover, this method is still leaves the batteries which are not reusable.

Method used

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Embodiment Construction

[0024] Referring to the Figures, wherein like numerals indicate like or corresponding parts, a battery pack of the present invention is generally shown at 10 in FIG. 1. The battery pack 10 of the present invention is adaptable to be utilized in various configurations including and not limited to an overlapping battery cell packaging configuration, a vertical stack battery cell packaging configuration, and other configurations without limiting the scope of the present invention.

[0025] The battery pack 10 includes a housing 12 having a bottom 14 and side walls 16 and a lid 18 removably attached to the walls 16. A plurality of pressing members or pins 20 and 22 extend from the bottom 14 and through the lid 18 for compressing a plurality of lithium cells 24 (the cells 24) disposed therein. Preferably, each cell 24 is a bi-cell, as known to those skilled in a battery art. The structure of the cell 24 will be discussed in details as the description of the present invention proceeds furth...

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Abstract

A method of the present invention is directed to recycling a battery that includes a plurality of lithium cells removable from one another. The battery is tested to measure internal resistance of the lithium cells to determine if the lithium cells present a predetermined level of operational capability. The lithium cells having the operational level less than the predetermined level of operational capability are replaced with new lithium cells as the battery is re-assembled. The removed lithium cells are recycled.

Description

RELATED APPLICATIONS [0001] This application claims priority to U.S. Provisional Patent Application Ser. No. 60 / 727,779 filed Oct. 18, 2005, which is hereby incorporated by reference.FIELD OF THE INVENTION [0002] The subject invention relates to battery packs having multiple cells, and more particularly to a method of recycling the cell of the battery pack. BACKGROUND OF THE INVENTION [0003] Motor vehicles, such as, for example, hybrid vehicles use multiple propulsion systems to provide motive power. This hybrid vehicles recharge their batteries by capturing kinetic energy via regenerative braking. When cruising or idling, some of the output of the combustion engine is fed to a generator (merely the electric motor(s) running in generator mode), which produces electricity to charge the batteries. This contrasts with all-electric cars which use batteries charged by an external source such as the grid, or a range extending trailer. Nearly all hybrid vehicles still require gasoline as t...

Claims

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Application Information

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IPC IPC(8): H01M10/42
CPCC22B7/005C22B26/12H01M10/052Y10T29/49815H01M10/4285H01M10/54Y02E60/122H01M10/4207Y02W30/84Y02P10/20Y02E60/10
Inventor HASHIMOTO, ZENZO
Owner ENERDEL
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